build(deps-dev): bump commitizen from 3.1.0 to 3.1.1

Bumps [commitizen](https://github.com/commitizen/cz-cli) from 3.1.0 to 3.1.1.
- [Release notes](https://github.com/commitizen/cz-cli/releases)
- [Commits](https://github.com/commitizen/cz-cli/compare/v3.1.0...v3.1.1)

Signed-off-by: dependabot[bot] <support@dependabot.com>

package.json

@@ -135,7 +135,7 @@
     "babel-plugin-source-map-support": "^2.0.1",
     "chai": "4.2.0",
     "chai-as-promised": "^7.0.0",
-    "commitizen": "^3.1.0",
+    "commitizen": "^3.1.1",
     "coveralls": "^3.0.0",
     "cross-env": "^5.0.0",
     "cz-customizable": "^6.0.0",

yarn.lock

@@ -2386,10 +2386,10 @@ commander@^2.19.0, commander@^2.9.0:
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
   integrity sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==
 
-commitizen@^3.1.0:
-  version "3.1.0"
-  resolved "https://registry.yarnpkg.com/commitizen/-/commitizen-3.1.0.tgz#0d9a73a177e94044dc0e5436cb1e5078ca5b1949"
-  integrity sha512-0huu8ub2e2aQfyr6yq6fi9rpoKdPj6m3lcx9GwgL4/qBHkQfj9FJHWGrtaq4ly169n5N8Vsq4DdiKp/Lk9ivCw==
+commitizen@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/commitizen/-/commitizen-3.1.1.tgz#0135c8c68df52ce348d718f79b23eb03b8713918"
+  integrity sha512-n5pnG8sNM5a3dS3Kkh3rYr+hFdPWZlqV6pfz6KGLmWV/gsIiTqAwhTgFKkcF/paKUpfIMp0x4YZlD0xLBNTW9g==
   dependencies:
     cachedir "2.1.0"
     cz-conventional-changelog "2.1.0"